Prevented connecting drag drop events to a SwappedOut RenderViewHost in WebContentsViewGtk

content/browser/web_contents/web_contents_view_guest.h

Index: content/browser/web_contents/web_contents_view_guest.h
diff --git a/content/browser/web_contents/web_contents_view_guest.h b/content/browser/web_contents/web_contents_view_guest.h
index 7725a524baa0d6840f01c8b409bf842a179f6acb..bd682ccb52e5d2b49326769f60fb68718aac0ec2 100644
--- a/content/browser/web_contents/web_contents_view_guest.h
+++ b/content/browser/web_contents/web_contents_view_guest.h
@@ -64,7 +64,8 @@ class CONTENT_EXPORT WebContentsViewGuest
       RenderWidgetHost* render_widget_host) OVERRIDE;
   virtual void SetPageTitle(const string16& title) OVERRIDE;
   virtual void RenderViewCreated(RenderViewHost* host) OVERRIDE;
-  virtual void RenderViewSwappedIn(RenderViewHost* host) OVERRIDE;
+  virtual void RenderViewSwappedIn(RenderViewHost* new_host,
+                                   RenderViewHost* old_host) OVERRIDE;
 #if defined(OS_MACOSX)
   virtual bool IsEventTracking() const OVERRIDE;
   virtual void CloseTabAfterEventTracking() OVERRIDE;